
html,body{
    height: 100%;
}

body{
    background: url("") no-repeat center fixed;
    background-size: cover;
}


ul{
    list-style: none;
}
a{
    text-decoration: none;
}
.left{
    float: left;
}
.clear:after{
    display: block;
    content: "";
    clear: both;
}
/*设置版心*/
.container{
    min-width: 1226px;
    margin: 0 auto;
}
/*元素居中*/
.center{
    display: block;
    margin: 0 auto;

}

/*清除浮动*/
.clear:after{
    content: "";
    display: block;
    clear: both;
    zoom: 1;

}